NL7508738A - MOISTURE SENSOR FOR AUTOMATIC CONTROL OF FLUID DEVICES FOR PLANT CULTURES. - Google Patents
MOISTURE SENSOR FOR AUTOMATIC CONTROL OF FLUID DEVICES FOR PLANT CULTURES.Info
- Publication number
- NL7508738A NL7508738A NL7508738A NL7508738A NL7508738A NL 7508738 A NL7508738 A NL 7508738A NL 7508738 A NL7508738 A NL 7508738A NL 7508738 A NL7508738 A NL 7508738A NL 7508738 A NL7508738 A NL 7508738A
- Authority
- NL
- Netherlands
- Prior art keywords
- automatic control
- moisture sensor
- fluid devices
- plant cultures
- cultures
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742435179 DE2435179A1 (en) | 1974-07-22 | 1974-07-22 | MOISTURE SENSOR FOR AUTOMATIC CONTROL OF IRRIGATION DEVICES FOR PLANT CROPS |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7508738A true NL7508738A (en) | 1976-01-26 |
Family
ID=5921189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7508738A NL7508738A (en) | 1974-07-22 | 1975-07-22 | MOISTURE SENSOR FOR AUTOMATIC CONTROL OF FLUID DEVICES FOR PLANT CULTURES. |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT339651B (en) |
DE (1) | DE2435179A1 (en) |
FR (1) | FR2280087A1 (en) |
NL (1) | NL7508738A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL182274C (en) * | 1977-04-26 | 1988-02-16 | Leendert Cornelis Kesting | Apparatus for automatic watering of plants growing in the open air or in a greenhouse and control apparatus therefor. |
DE4025690A1 (en) * | 1990-08-14 | 1992-02-20 | Gardena Kress & Kastner Gmbh | IRRIGATION CONTROL DEVICE |
DE102007029254A1 (en) * | 2007-06-13 | 2008-12-18 | Klaus Spohrer | Irrigation device, has signal device with auxiliary valve, which is actuated between substratum wetness sensing unit and regulating valve for controlling regulating valve using fluidic control medium |
-
1974
- 1974-07-22 DE DE19742435179 patent/DE2435179A1/en not_active Ceased
-
1975
- 1975-07-22 NL NL7508738A patent/NL7508738A/en unknown
- 1975-07-22 FR FR7522853A patent/FR2280087A1/en not_active Withdrawn
- 1975-07-22 AT AT567175A patent/AT339651B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATA567175A (en) | 1977-02-15 |
AT339651B (en) | 1977-11-10 |
DE2435179A1 (en) | 1976-02-05 |
FR2280087A1 (en) | 1976-02-20 |
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